proteins
telegraph
hormonal
electrical impulses
all of the above
a nerve
brains
spinal cord
100 miles per hour
1 foot per second
1 meter per second
150 meters per second
True or False: Damage to your nervous system can cause paralysis.
stem cells
prison cells
glial cells
muscle cells
they help carry oxygen to different parts of your body
they are very long compared to other cells in the body
they regenerate very quickly
they do not have a nucleus
Purkinje neurons
multipolar neurons
pyramidal neurons
bipolar neurons
100 years
1 month
10 years
1 year
liver cells
skin cells
muscle
nerve
wire
the brain